- •A course in international draughts
- •Sources
- •Introduction
- •About the author
- •Thank you!
- •Notation
- •2. Combinations
- •3. Coup Philippe
- •4. Harlem shot
- •5. Coup Royal
- •The Olympic formation.
- •6. Kung Fu shot
- •7. Ping Pong shot
- •8. Bomb shot
- •9. Arch shot
- •Grand prix shot
- •10. Coup Napoleon
- •Rabatel – Drost
- •Lesson 1: Notation
- •Lesson 2: Combinations
- •Lesson 3. Coup Phlippe
- •Lesson 4: Harlem shot
- •Lesson 5: Coup Royal
- •Lesson 6: Kung Fu shot
- •Lesson 7: Ping Pong shot
- •Lesson 8: Bomb shot
- •Lesson 9: Arch shot
- •Lesson 10: Coup Napoleon
- •11. More shots
- •Coup Springer
- •Coup Weiss
- •Coup Turc
- •12. Forcing
- •13. The free move
- •14. The stick move
- •Especially in case the enemy king attacks several pieces.
- •15. Giving your opponent a king
- •16. Attacking a wing
- •Isjimbaev – Tsjizjow
- •17. The sacrifice
- •Dussaut – De Heer 1886
- •18. Strong threats
- •Hoogland - Molimard
- •Thijssen – Tsjizjow
- •19. Base pieces
- •Wiersma – Sijbrands
- •Valneris - Hezemans
- •20. Trapping your opponent
- •Solutions lessons 11 - 20
- •21. King shots
- •22. The king is caught
- •Gantwarg – h. Jansen
- •Sijbrands – Andreiko
- •23. Formations
- •24. Freezing out your opponent
- •Ricou - Bonnard
- •25. Tactical freeze out
- •Mensonidus – Baba Sy
- •Tsjizjow - Keisels
- •26. Exploiting a weak spot
- •27. Locks
- •Right wing lock
- •Chain lock
- •Fork lock
- •Gantwarg - Andreiko
- •Semi – Fork
- •Arrow lock
- •Arrow lock
- •Left wing lock
- •28. The fork lock
- •Sijbrands – Morsink
- •29. The chain - lock
- •Lewina - Wanders
- •30. Right wing lock
- •27.2 Right wing lock
- •31. Other locks
- •Gantwarg – Galkin
- •32. The endgame
- •White is dominant
- •Strategic draw
- •33. Opposition
- •34. King against pieces
- •35. The main diagonal
- •36. Trictrac lines
- •37. Quadrants
- •38. Laying an ambush
- •39. Tactics in the endgame
- •40. Practical endgames
- •G. Heerema – m. De Jong
- •Mironov – Tsjizjow
- •H. Meijer – w. Sjtsjogoljew
- •Baba Sy - Agafonow
- •C. Van Leeuwen – Sjtsjogoljew
- •H. Jansen – a. Abidin
- •W. Leijenaar – j. Oost
- •Solutions lessons 31 - 40
30. Right wing lock
White’s play is severely restricted by the right wing lock. He can try to escape from the lock, but still he is frozen out.
1.34 – 29 25 x 34
2.29 x 20 14 x 25
3.40 x 29 23 x 34
4.35 – 30 34 – 40!
5.45 x 34 18 – 22!
Black restricts white’s play in the right way. Only piece 37 can play.
6.27 x 18 13 x 22
7.37 – 31 9 – 13
8.31 – 26 13 - 18
In this game position black found a strong plan to lock a group of white pieces.
1… 14 – 20!
2.25 x 14 9 x 20
Black uses the Bomb shot to punish 30 – 25:
3.30 – 24 24 – 30!!
1) 4.25 x 14 19 x 10 5.28 x 17 30 x 37 B+
2) 4.35 x 24 19 x 39 5.28 x 17 39 x 37 6.25 x 14 37 – 41 B+
Because white can’t play 30 – 25 he has to allow a right wing lock, but is frozen out.
3.48 – 42 20 – 25
4.42 – 37 3 – 8
5.28 – 22 15 - 20
6.33 – 28 is answered by 16 – 21! 7.27 x 16 18 x 27 8.32 x 21 23 x 41 B+.
White tries a shot which doesn’t work.
6.34 – 29 25 x 34
7.22 – 17 12 x 21
8.27 – 22 18 x 27
9.29 x 9 34 – 39!
10.33 x 44 8 – 13
11. 9 x 18 19 – 23
12.18 x 29 24 x 31
Grandmaster Podolski exploited the weak spots in blacks position (gaps!) with the help of a shot.
1.36 – 31!!
An excellent move! Black can’t play 21 – 26 because of 2.33 – 28! 26 x 46 3.35 – 30 (white wants to get rid of piece 34) 24 x 35 4.34 – 30 35 x 24 5.27 – 22 18 x 27 6.32 x 5 and the black king is caught. So blacks right wing is locked.
1… 10 – 15
2.31 – 26 13 – 19
3.42 – 37 8 – 13
4.41 – 36 20 – 25
5.48 – 42 9 - 14?
White freezes out his opponent tactically now:
6.34 – 29! 14 – 20
7.36 – 31!
All of blacks moves are answered by a shot:
7… 19 – 23 8.27 – 22 18 x 36 9.29 x 9
7… 7 – 12 8.27 – 22 18 x 36 9.29 – 23 19 x 28 10.33 x 22 17 x 28 11.26 x 30 25 x 34 12.39 x 30
7… 25 – 30 8.29 – 23 18 x 29 9.27 – 22 17 x 28 10.32 x 23
Black surrendered.
White has a good lock but in the game he lost.
1.49 – 43? 18 – 23
2.42 – 38 13 – 18
3.43 – 39 9 – 13
White doesn’t succeed in freezing out his opponent, because 4.36 – 31 is answered by 17 – 22! with two possibilities:
5.26 x 17 24 – 29 6.33 x 24 22 x 44 B+
6.28 x 17 21 x 12 7.33 – 28 12 – 17 8.39 33 23 – 29! B+ (Check that 25 – 20 doesn’t work for white!)
White should have played 4.25 – 20! 24 x 15 5.35 – 30 17 – 22 6.26 x 17! 22 x 31 7.36 x 27 11 x 31 8.30 – 24 19 x 30 9.28 x 8 =. White played 4.35 – 30 24 x 35 5.25 – 20 and lost the endgame after 23 – 29 etc.
1.49 – 44! is a more flexible move than 1.49 – 43? This means that after 49 – 44 white has more choices how to build his position. Piece 44 can not only go to 39 but also to 40. Actually to use the lock effectively there shouldn’t be a piece at 39. We will explain why.
1.49 – 44! 18 – 23
2.42 – 38 13 – 18
3.44 – 40! 9 – 13
4.36 – 31!
Now the big difference appears to be that black can’t play the important 17 – 22 move.
4… 17 – 22
5.26 x 17! 24 – 29
6.33 x 24 22 x 42
7.25 – 20! 19 x 30
8.35 x 24 11 x 22
9.31 – 26! 22 x 31
10.26 x 48
Black has one other move left: 4… 23 – 29 after which white wins nicely after: 5.25 – 20! 24 x 15 6.33 x 24 19 x 30 7.35 x 24 17 – 22 8.28 x 17 21 x 12 9.38 – 33 12 – 17 10.33 – 29! and the game is over for playing at 22 is answered by 29 – 23 +.
In some situation the lock is beneficial for the locked player. This is especially the case when too many pieces are involved in locking.
In this case black uses 6 pieces to lock 5 pieces.
White to play can force a win.
1.48 – 43!
1.48 – 42? gives black the opportunity to draw the game with the shot 17 – 22! 2.28 x 17 23 – 29 3.34 x 12 25 x 34 4.40 x 29 19 – 23 5.29 x 18 24 – 30 6.35 x 24 20x47. This combination loses after 1.48 – 43.
Whether white plays 1.48 – 42 or 1.48 – 43 black should not take the shot 17 – 21? 27 x 16 18 – 22 28 x 17 23 – 29 34 x 23 19 x 48 30 x 10 15 x 4 40 – 34! 48 x 30 35 x 15 W+.
1… 1 – 7
2.43 – 38 7 - 11
2… 7 – 12 3.34 – 29! 23 x 34 (25 x 34 4.27 – 22! +) 4.30 x 39 18 – 23 5.39 – 34 (also 40 – 34 12 – 18 45 – 40 wins) 12 – 18 6.34 – 29 23 x 34 7.40 x 29 W+.
3.34 – 29! 25 x 34
3… 23 x 34 4.30 x 39 18 – 23 5.39 – 34 W+
4.27 – 22! 18 x 27
5.32 x 12 23 x 43
6.35 – 30!! 24 x 44
7.29 x 38
The point of the position is hidden until the 35 – 30 shot is discovered. These kind of surprises make our game so difficult and interesting.
Games with a short wing lock are often characterized by combinational possibilities.
1.32 – 27!
Threatening to take the arrow shot 27 – 21 16 x 36 47 – 41 36 x 47 38 – 33 47 x 29 34 x 23 25 x 34 40 x 20 14 x 25 23 x 5.
After 1… 13 – 18 white takes the arrow shot in a different way: 27 – 22! 18 x 36 47 – 41 36 x 47 38 – 33 47 x 29 34 x 23 25 x 34 40 x 20 14 x 25 23 x 5 +.
1… 11 – 17!
The right answer. After the king shot white’s king is caught with equality.
2.27 – 21 16 x 36
3.47 – 41 36 x 47
4.38 – 33 47 x 29
5.34 x 23 25 x 34
6.40 x 20 14 x 25
7.23 x 5
After 6.23 x 3? 10 – 14 7.3 x 20 25 x 14 B+1.
7… 9 – 14
8.5 x 7 1 x 12
In this game position white could have forced a winning shot.
1.33 – 28! 29 – 34
The only sensible reply, because 14 – 19 is punished by 2.28 – 22 17 x 28 3.26 x 17 11 x 22 4.27 x 18 23 x 12 5.32 x 5 +.
2.28 x 19 14 x 23
3.27 – 22! 17 x 28
4.26 x 17 11 x 22
5.39 – 33 28 x 48
6.31 – 26 48 x 31
7.36 x 20
Black has built formations but his position isn’t flexible at all. He has only one way to play at the next move: 18 – 22. White anticipates in a very smart way:
1.35 – 30! 18 – 22
2.27 x 18 13 x 33
3.31 – 27! 9 – 13
4.27 – 22! 17 x 28
5.26 x 17 11 x 22
6.42 – 38 33 x 31
7.36 x 20 28 x 37
8.20 – 14 19 x 10
9.30 – 24 29 x 20
10.25 x 5
C 30.1
C 30.2
C 30.3
C 30.4
C 30.5
C 30.6
C 30.7
C 30.8
Solutions lessons 21 – 30
Lesson 21: King shots
C 21.1 27 – 21 16 x 27 32 x 21 17 x 26 37 – 31 26 x 37 38 – 32 37 x 28 33 x 4
C 21.2 34 – 30 24 x 35 33 – 29 23 x 34 39 x 30 35 x 24 27 – 22 17 x 28 37 – 31 26 x 37 41 x 5
C 21.3 34 – 29 23 x 25 28 – 22 17 x 28 26 x 17 12 x 21 32 x 1
C 21.4 34 – 30 25 x 23 28 x 19 13 x 24 37 – 31 26 x 28 33 x 2
C 21.5 36 – 31 26 x 37 24 – 19 13 x 24 34 – 30 25 x 23 28 x 30 37 x 28 33 x 13 8 x 19 27 – 22 17 x 28 30 – 24 choice 39 – 33 28 x 39 43 x 5
C 21.6 30 – 24 20 x 29 33 x 24 19 x 30 28 x 19 13 x 24 37 – 31 26 x 28 27 – 21 16 x 27 38 – 32 27 x 38 (or 28 x 37) 42 x 2
C 21.7 27 – 21 26 x 28 21 – 17 12 x 21 29 – 24 19 x 30 35 x 24 20 x 29 38 – 33 28 x 39 (or 29 x 38) 43 x 1
C 21.8 25 – 20 15 x 24 34 – 30 24 x 35 33 – 29 23 x 34 39 x 30 35 x 24 26 – 21 17 x 37 41 x 5
C 21.9 26 – 21 17 x 26 32 – 28 23 x 32 37 x 17 11 x 22 29 – 24 19 x 30 35 x 24 20 x 29 34 x 1
C 21.10 29 – 23 18 x 49 37 – 32 49 x 19 32 x 3
C 21.11 33 – 29 22 x 24 34 – 30 25 x 34 40 x 20 14 x 25 27 – 22 18 x 27 31 x 22 17 x 28 32 x 5
C 21.12 27 – 21 16 x 27 (26 x 17 29 – 23 18 x 29 28 – 22 17 x 28 32 x 5 +) 32 x 21 26 x 17 29 – 23 18 x 29 35 – 30 24 x 35 33 x 24 choice 28 – 22 17 x 28 39 – 33 28 x 39 43 x 5
C 21.13 27 – 22 18 x 27 32 x 21 23 x 43 37 – 31 16 x 47 44 – 39 47 x 29 34 x 5 43 x 34 40 x 20 25 x 14 5 x 17 (Grand Prix shot)
C 21.14 32 – 28 23 x 21 26 x 8 3 x 12 45 – 40 18 x 27 38 – 32 27 x 29 34 x 5
C 21.15 27 – 22 18 x 27 32 x 21 16 x 27 38 – 32 27 x 29 30 – 24 19 x 30 35 x 4
C 21.16 28 – 22 17 x 48 33 – 29 24 x 33 39 x 28 23 x 21 26 x 8 13 x 2 40 – 35 48 x 30 35 x 4
Lesson 22: The king is caught
22.1 27 – 22! 18 x 27 32 x 21 16 x 27 38 – 32 27 x 47 28 – 22 47 x 29 34 x 5 13 – 19 5 x 7 1 x 12 40 – 34 is winning for white (double opposition).
22.2 28 – 22? 18 x 36 37 – 31 36 x 27 32 x 21 16 x 27 38 – 32 27 x 29 34 x 5 13 – 19 5 x 7 1 x 12 is winning for black.
22.3 28 – 23 19 x 17 34 – 30 35 x 24 44 – 40? 45 x 34 39 x 10 17 – 22! 27 x 18 8 – 13 18 x 9 3 x 5 results in a draw. But 28 – 23 19 x 17 34 – 30 35 x 24 27 – 22! 17 x 28 44 – 40 45 x 34 39 x 10 is winning for white.
22.4 27 – 21? 17 x 26 37 – 31 26 x 28 33 x 4 3 – 9! 4 x 20 14 x 32 is winning for black.
22.5 20 – 14? 19 x 10 38 – 32 27 x 38 48 – 42 38 x 47 30 – 24 47 x 20 25 x 5 28 – 33!! 39 x 19 9 – 14 19 x 10 18 – 22 B+
22.6 39 – 34! 29 – 33 27 – 21 16 x 38 37 – 32 38 x 27 31 x 22 18 x 27 36 – 31 27 x 36 42 – 38 33 x 42 47 x 38 36 x 47 38 – 33 47 x 29 34 x 1 13 – 18 1 x 20 15 x 24 40 – 34 (opposition) W+
22.7 27 – 22 18 x 27 32 x 21 16 x 27 40 – 34 29 x 40 35 x 44 24 x 35 44 – 40 35 x 44 43 – 39 44 x 33 38 x 7 27 – 32 37 x 28 19 – 23 28 x 8 3 x 1 42 - 38 = results in a draw.
22.8 30 – 24 19 x 48 28 – 23 18 x 29 27 – 21 16 x 38 42 x 4 48 x 31 4 x 36 26 – 31 36 x 7 1 x 12 47 – 42 (opposition) W+
Lesson 23: Formations
Exercise 23.1
1… 14 – 20 2.28 – 23 18 x 29 3.33 x 15 W+1
1… 14 – 19 2.27 – 22! 18 x 27 3.32 x 21 26 x 17 4.28 – 23 19 x 28 5.33 x 2 +
1… 13 – 19 2.28 – 23 18 x 29 (or 19 x 28) 3.33 x 4 +
1… 12 – 17 2.28 – 22 17 x 28 3.32 x 1
Exercise 23.2
Exercise 23.3 27 – 21 26 x 17 28 – 22 17 x 39 38 – 33 39 x 28 32 x 3
C 23.1 34 – 30 25 x 34 39 x 19 13 x 24 27 – 21 26 x 17 28 – 23 18 x 29 38 – 33 29 x 27 31 x 4
F 23.2 49 – 43 (or 48 – 43) 12 – 17 28 – 22 17 x 28 33 x 13 9 x 18 37 – 31 26 x 28 38 – 33 21 x 32 33x 13 19 x 8 34 – 30 25 x 34 39 x 37
C 23.3 34 – 30 25 x 34 39 x 19 13 x 24 28 – 23 18 x 29 35 – 30 24 x 35 33 x 24 20 x 29 40 – 34 29 x 49 45 – 40 35 x 44 43 – 39 44 x 33 38 x 29 49 x 27 31 x 4
F 23.4 49-44! For example 7 – 12 34 – 30 25 x 34 39 x 19 13 x 24 35 – 30 24 x 35 44 – 39 35 x 44 37 – 31 26 x 28 33 x 4 44 x 33 38 x 29
C 23.5 30 – 24 19 x 30 34 x 25 23 x 45 25 – 20 15 x 24 44 – 40 45 x 34 39 x 19 13 x 24 27 – 21 16 x 27 31 x 4
C 23.6 27 – 22 17 x 39 32 – 27 21 x 32 37 x 17 11 x 22 38 – 33 39 x 28 36 – 31 26 x 37 41 x 1
C 23.7 28 – 22 18 x 36 34 – 30 25 x 34 40 x 9 3 x 14 37 – 31 36 x 27 32 x 3
C 23.8 26 – 21 17 x 26 27 – 21 26 x 17 32 – 28 23 x 32 34 x 21
Lesson 24: Freezing out your opponent
24.1 25 – 20! 15 x 24 28 – 22 +
24.2 26 – 21! 17 x 26 33 - 28
24.3 1.48 – 42! (After 1.48 – 43? Black will play the Dussaut sacrifice: 16 – 21 2.27 x 16 18 – 22 3.38 – 33 22 – 27 =) 24 – 29 (1… 17 – 21
2.38 – 33 23 – 29 3.42 – 38 18 – 23 4.27 – 22 +) 2.40 – 34 29 x 40 3.35 x 44 17 – 21 4.38 – 33
Black can still go on with 18 – 22 5.27 x 20 21 – 27 6.32 x 21 23 x 41 7.42 – 37! 41 x 32 8.20 – 15 16 x 27 9.15 – 10 but the king at 5 will win the game in the end.
24.4 1.38 – 33 17 – 21 Now white has to avoid the 18 – 22 27 x 20 21 – 27 shot: 2.25 – 20 14 x 25 3.39 – 34 W+.
24.5 36 – 31! 23 – 29 40 – 35 (18 – 23 35 – 30) +
24.6 33 – 29 24 x 33 38 x 29 14 – 20 42 – 38 20 – 24 29 x 20 25 x 14 30 – 25! (38 – 33? 26 – 31! 37 x 6 16 – 21 etc. =) +
24.7 26 – 21 17 x 26 41 – 37
24.8 25 – 20 24 x 15 35 – 30 23 – 29 33 x 24 9 – 14 38 – 33 14 – 20 33 – 29 20 – 25 39 – 34 +
Lesson 25: Tactical freeze out
25.1 48 – 43 24 – 30 (at 8 – 12 or 8 – 13 follows 33 – 29 24 x 33 34 – 30 25 x 34 43 – 39 33 x 44 49 x 7/9) 43 – 39 30 – 35 (8 – 13 33 – 28 13 – 19 27 – 22 W+) 49 – 44 8 – 13 44 – 40 35 x 44 39 x 50 13 – 19 33 – 28 +
25.2 48 – 43! 23 – 29 (at 9 - 14 27 – 22 coup Philippe, after 12 – 17 35 – 30 24 x 35 33 – 29 23 x 34 39 x 30 35 x 24 27 – 21 16 x 27 32 x 14 9 x 20 25 x 14 +) 27 – 21 16 x 27 32 x 21 9 – 14 33 – 28 3 – 9 21 – 16! 12 – 17 28 – 23! 19 x 28 38 – 32 28 x 48 39 – 34 48 x 30 25 x 3 +
25.3 27 – 21 7 – 12 (7 – 11 21 x 12 18 x 7 32 – 27 +) 21 – 16 18 – 22 43 – 38 22 x 33 30 – 24 19 x 30 35 x 24 29 x 20 38 x 7 +
25.4 29 – 24! 8 – 12 (9 – 14 24 – 20 15 x 24 34 – 29 of 33 – 29 +. After 23 – 28 24 – 19 13 x 24 31 – 26 22 x 31 33 x 4 +) 24 – 20! 25 x 14 34 – 30 35 x 24 33 – 29 23 x 34 39 x 28 +
25.5 42 - 38! 20 - 24 38 - 33 13 - 19 (24 - 30 49 - 44 30 - 35 33 - 29! 13 - 18* 29 - 24 +) 49 - 44 8 - 13 44 - 40!! 24 - 30 40 - 35 19 - 24 33 - 28 13 - 19 28 - 22 +
25.6 38 – 33 23 – 29 35 – 30 29 x 49 25 – 20 14 x 34 28 – 22 17 x 28 32 x 14 49 x 21 26 x 39 +
25.7 41 – 36 8 – 12 37 – 31 26 x 37 32 x 41 21 x 23 25 – 20 17 x 39 20 x 20
25.8 39 – 34 24 – 29 (21 – 26 38 – 33 17 – 21 28 – 22 +) 36 – 31 29 x 40 35 x 44 25 x 34 31 – 26 +
Lesson 26:Exploiting a weak spot
26.1 25 – 20 24 x 15 33 – 29 +
26.2 35 – 30 14 – 20 30 – 24 20 x 29 39 – 33 +
26.3 33 – 29 (attacking piece 13) 13 – 18 37 – 31 26 x 28 39 – 33 28 x 30 35 x 2 23 x 34 2 - 7 +
26.4 38 – 32! 27 x 38 30 – 24 19 x 30 35 x 24 and at the next move white plays 24 – 19 etc. +
26.5 34 – 29 24 – 30 42 – 38 30 – 35 39 – 34 9 – 14 28 – 22 18 x 27 34 – 30 35 x 24 29 x 16
26.6 34 – 30 13 – 19 32 – 27 21 x 23 30 – 25
26.7 28 – 22 15 – 20 27 – 21 26 x 28 32 x 23 18 x 29 33 x 4
26.8 48 – 42 8 – 12 42 – 37 12 – 17 37 - 32 17 – 21 43 – 39 15 – 20 38 – 33 27 x 29 39 – 34 30 x 39 44 x 4 35 x 44 4 x 16 44 – 49 36 – 31 49 – 35 50 – 44 35 x 49 31 – 27 +
Lesson 27: Locks
27.1 Arrow lock
